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  •      In recent years, with the rapid increase of car ownership, automobile exhaust emissions have become one of the causes of environmental pollution, All countries have strengthened restrictions on the sulfur content of pollutants in vehicle fuel, At present, the most strict limit standard for gasoline and diesel is 10mg / kg, Monochromatic wavelength dispersive X-ray fluorescence spectrometry is one of the methods that can meet the requirements of ultra-low sulfur content in vehicle fuel.

     
         Monochromatic wavelength dispersive X-ray fluorescence spectrometer model: DUBHE-1610, It has the characteristics of high sensitivity, simple sample preparation, low consumption and so on, which can meet the analysis of sulfur content in Gasoline, Diesel fuel, Jet fuel, Kerosine, Biodiesel and Gasoline-Ethanol Blends in petrochemical industry.
     
           At the same time, DUBHE-1610 can also analyze the content of sulfur in solid and liquid, The detection limit of sulfur in water and other chemical products is up to sub ppm level.



    See the following table for the LOD and analysis range compare of XRF instruments: 
       Standard No

      Standard for sulfur detection method

      Content range

      GBT 11140-2008 ASTM D2622-2007

      Wavelength dispersive X-ray fluorescence spectrometry

      3mg/kg-4.6%,PLOQ-3mg/kg

      GBT 17040-2008 ASTM D4294-2003

      Energy dispersive X-ray fluorescence spectrometry

      150mg/kg-5%,PLOQ-150mg/kg

      NB/SH/T0842-2017 ASTM D7039-2015a


      Monochromatic wavelength dispersive X-ray fluorescence spectrometry
     

      3.2mg/kg-2822mg/kg,PLOQ-3.2mg/kg



     




  • High sensitivity and accuracy
     Johansson type Double Curved Crystals


    Efficient stimulation
    By means of Johansson type double curved crystal, the high-strength characteristic lines of the target emitted from the light tube are diffracted and focused on the smaller surface of the sample, which greatly reduces the background of scattered rays and improves the excitation efficiency of elements in the sample.


    Accurate determination
    Through the secondary diffraction and focusing of the element rays in the sample by Johansson type curved crystals, the excellent peak to back ratio of the element to be measured is obtained




     Design of digital optical path
    Integrated digital optical path forming design, high precision to ensure the accuracy of spectral lines





    High reliability
         There is no moving part in the whole optical path. After factory tuning, the optical path will no longer produce errors and offsets, ensuring long-term use stability.

    Wide adaptability
         It is suitable for the detection of chlorine in refined gasoline, diesel oil (as low as ~ 0.5ppm) and crude oil.

    Ultra low maintenance cost
         No cylinder gas consumption required
         No vacuum required

    Simple operation
         Touch screen operating system
         Simple sample preparation tools (ESP tools)
         Sample test time 60-300 seconds







     



     

  •    
      Detection limit   0.2ppm(300 Seconds)
      Detection range   0.5ppm-5%
      Test time   60Seconds-300Seconds(User optional)
      Repeatability   Sn-1≤0.5ppm(5 ppm),2.5 ppm(50 ppm)
      Test standard   ASTM D7039、ISO20884、SH/T0842-2010
      Volume   614 mm (W)×444 mm (D)×375 mm (H)
      Power  (110±10)VAC, 5A;(220±20)VAC, 5A
      Output interface   USB
      Temperature range   10℃ ~35℃




     

  •  
    Analysis of ultra-low sulfur content in gasoline, diesel, naphtha and Aromatics


    —— Monochromatic wavelength dispersive X-ray fluorescence spectrometer with ultra-low detection limit
     

    DUBHE-1610 has the advantages of convenient operation, high accuracy and good repeatability in ultra-low sulfur content analysis. It is suitable for the rapid detection of sulfur content in various products and intermediate oil products.









     


  • Solution of element analysis in petrochemical industry

    Monochromatic wavelength dispersive X-ray fluorescence spectrometer (MWD XRF) DUBHE series realizes the accurate analysis of single element. High sensitivity X-ray fluorescence spectrometer (HS XRF ®) MERAK series is a new generation of Monochromatic wavelength X-ray fluorescence spectrometer, which realizes the integrated high sensitivity analysis of silicon, phosphorus, sulfur and chlorine in petrochemical products and fine chemicals.











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